add control set boot protocol support and keyboard idle rate

- tud_hid_keyboard_is_boot_protocol()
- tud_hid_mouse_is_boot_protocol()
This commit is contained in:
hathach
2018-07-25 15:58:52 +07:00
parent c3b082ab20
commit 1982886f87
3 changed files with 51 additions and 26 deletions

View File

@@ -58,7 +58,9 @@
typedef struct {
uint8_t itf_num;
uint8_t ep_in;
uint8_t idle_rate;
uint8_t idle_rate; // in unit of 4 ms
bool boot_protocol;
uint8_t report_id;
uint16_t report_len;
@@ -92,24 +94,30 @@ bool tud_hid_keyboard_ready(void)
return !dcd_edpt_busy(TUD_OPT_RHPORT, _kbd_itf.ep_in);
}
bool tud_hid_keyboard_is_boot_protocol(void)
{
return _kbd_itf.boot_protocol;
}
static bool hidd_kbd_report(hid_keyboard_report_t const *p_report)
{
VERIFY( tud_hid_keyboard_ready() );
hidd_interface_t * p_hid = &_kbd_itf;
if ( p_report )
{
memcpy(p_hid->report_buf, p_report, sizeof(hid_keyboard_report_t));
}else
{
// only send empty report if previous report is not empty
// TODO idle rate
if ( mem_all_zero(p_hid->report_buf, sizeof(hid_keyboard_report_t)) ) return true;
// Idle Rate = 0 : only send report if there is changes, i.e skip duplication
// Idle Rate > 0 : skip duplication, but send at least 1 report every idle rate (in unit of 4 ms).
// If idle time is less than interrupt polling then use the polling.
static tu_timeout_t idle_tm = { 0, 0 };
arrclr_(p_hid->report_buf);
if ( (p_hid->idle_rate == 0) || !tu_timeout_expired(&idle_tm) )
{
if ( 0 == memcmp(p_hid->report_buf, p_report, sizeof(hid_keyboard_report_t)) ) return true;
}
tu_timeout_restart(&idle_tm);
memcpy(p_hid->report_buf, p_report, sizeof(hid_keyboard_report_t));
return dcd_edpt_xfer(TUD_OPT_RHPORT, p_hid->ep_in, p_hid->report_buf, sizeof(hid_keyboard_report_t));
}
@@ -173,12 +181,18 @@ bool tud_hid_keyboard_key_sequence(const char* str, uint32_t interval_ms)
// MOUSE APPLICATION API
//--------------------------------------------------------------------+
#if CFG_TUD_HID_MOUSE
bool tud_hid_mouse_ready(void)
{
VERIFY( _mse_itf.ep_in != 0 );
return !dcd_edpt_busy(TUD_OPT_RHPORT, _mse_itf.ep_in);
}
bool tud_hid_mouse_is_boot_protocol(void)
{
return _mse_itf.boot_protocol;
}
static bool hidd_mouse_report(hid_mouse_report_t const *p_report)
{
VERIFY( tud_hid_mouse_ready() );
@@ -302,10 +316,11 @@ tusb_error_t hidd_open(uint8_t rhport, tusb_desc_interface_t const * desc_itf, u
TU_ASSERT( dcd_edpt_open(rhport, desc_edpt), TUSB_ERROR_DCD_FAILED );
p_hid->report_len = desc_hid->wReportLength;
p_hid->itf_num = desc_itf->bInterfaceNumber;
p_hid->ep_in = desc_edpt->bEndpointAddress;
p_hid->report_id = 0;
p_hid->boot_protocol = true; // default to boot mode when mounted
p_hid->report_len = desc_hid->wReportLength;
p_hid->itf_num = desc_itf->bInterfaceNumber;
p_hid->ep_in = desc_edpt->bEndpointAddress;
p_hid->report_id = 0;
*p_length = sizeof(tusb_desc_interface_t) + sizeof(tusb_hid_descriptor_hid_t) + sizeof(tusb_desc_endpoint_t);
}
@@ -402,12 +417,15 @@ tusb_error_t hidd_control_request_st(uint8_t rhport, tusb_control_request_t cons
}
else if (HID_REQ_CONTROL_GET_PROTOCOL == p_request->bRequest )
{
_usbd_ctrl_buf[0] = 1 - CFG_TUD_HID_BOOT_PROTOCOL; // 0 is Boot, 1 is Report protocol
_usbd_ctrl_buf[0] = 1-p_hid->boot_protocol; // 0 is Boot, 1 is Report protocol
usbd_control_xfer_st(rhport, p_request->bmRequestType_bit.direction, _usbd_ctrl_buf, 1);
}
else
else if (HID_REQ_CONTROL_SET_PROTOCOL == p_request->bRequest )
{
p_hid->boot_protocol = 1 - p_request->wValue; // 0 is Boot, 1 is Report protocol
dcd_control_status(rhport, p_request->bmRequestType_bit.direction);
}else
{
// HID_REQ_CONTROL_SET_PROTOCOL:
dcd_control_stall(rhport);
}
}else